2. Relationship between the Scanner Sensor and SignalsTable 3-301Reference:The registration clutch is turned on in response to a press on the Copy Start key orwhen the scanner starts to move forward.3. Basic Sequence of Operations (scanner)Figure 3-302COPYRIGHT © 1997 CANON INC. CANON NP6218 REV. 0 MAY 1997 PRINTED IN JAPAN (IMPRIME AU JAPON)CHAPTER 3 EXPOSURE SYSTEM3-6Scanner sensorPS1 (scannerhome positionsensor)SCHPSignalScannerForward ReverseRegistration clutch turns on.After 0.1 sec, the scanner stops movingin reverse.DescriptionLSTR @AAÀÁÁ @@AAÀÀÁÁINTRPower switchONCopy Start keyONSTBY SCFW SCRV SCFW SCRVAER Scanner home position sensor(PS1)Registration sensor (PS6)ScannerScanning lampForward ReverseHalf pre-heating Full pre-heating Half pre-heating∗Unless it is at the home position already, the scanner returns to the home position at power-on.ON Prehe-ating∗
